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@nestikey2020-03-24 13:34:36
Mathematics
@nestikey, 2020-03-24 13:34:36

How to solve the problem and what is the logic?

Ann uses Instagram but not Facebook and John uses Youtube and Facebook. Kate uses Youtube but not Instagram and Tom uses Facebook but not Youtube. If every person uses two of the three social networks, which of them has the same preferences as John?

Answer options:
1. Ann
2. Kate
3. Volume
4. Nobody
5. Everyone

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2 answer(s)
E
Eugene B, 2020-03-24
_

Kate

K
Karpion, 2020-03-27
@Karpion

Logic:
There are three networks: I, F, Y. Each uses only two. Means:
Ann - I,Y
John - F,Y
Kate - F,Y
Tom - I,F

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